<template>
  <div>
    <el-dialog :title="formData.id ? '编辑部门信息':'新增部门'" :before-close="btnCancel" :visible.sync="showDialog">
      <el-form ref="deptsForm" :model="formData" :rules="rules" label-width="120px">
        <el-form-item prop="name" label="部门名称">
          <el-input v-model="formData.name" style="width:80%" placeholder="1-50个字符" />
        </el-form-item>
        <el-form-item prop="code" label="部门编码">
          <el-input v-model="formData.code" style="width:80%" placeholder="1-50个字符" />
        </el-form-item>
        <el-form-item prop="manager" label="部门负责人">
          <el-select v-model="formData.manager" style="width:80%" placeholder="请选择" @focus="getEmployeeSimple">
            <el-option v-for="item in peoples" :key="item.id" :label="item.username" :value="item.username" />
          </el-select>
        </el-form-item>
        <el-form-item prop="introduce" label="部门介绍">
          <el-input v-model="formData.introduce" style="width:80%" placeholder="1-300个字符" type="textarea" :rows="3" />
        </el-form-item>
      </el-form>
      <el-row slot="footer" type="flex" justify="center">
        <el-col :span="6">
          <el-button type="primary" @click="btnOK">确 定</el-button>
          <el-button @click="btnCancel">取 消</el-button>
        </el-col>
      </el-row>
    </el-dialog>
  </div>
</template>

<script>
import { getDepartments, addDepartments, getDepartDetail, updateDepartments } from '@/api/departments'
import { getEmployeeSimple } from '@/api/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    },
    treeNode: {
      type: Object,
      default: null
    }
  },
  data() {
    const checkNameRepeat = async(rule, value, callback) => {
      const res = await getDepartments()
      let isRepeat = false
      if (this.formData.id) {
        isRepeat = res.depts.filter(item => item.pid === this.treeNode.id && item.id !== this.formData.id).some(item => item.name === value)
      } else {
        isRepeat = res.depts.filter(item => item.pid === this.treeNode.id).some(item => item.name === value)
      }
      isRepeat ? callback(new Error(`同级部门下已经存在${value}部门了`)) : callback()
    }
    const checkCodeRepeat = async(rule, value, callback) => {
      const res = await getDepartments()
      let isRepeat = false
      if (this.formData.id) {
        isRepeat = res.depts.filter(item => item.code !== this.formData.code).some(item => item.code === value && value)
      } else {
        isRepeat = res.depts.some(item => item.code === value && value)
      }
      isRepeat ? callback(new Error(`已经存在${value}编码了`)) : callback()
    }
    return {
      formData: {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      },
      peoples: {},
      rules: {
        name: [{ required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: checkNameRepeat, trigger: 'blur' }],
        code: [{ required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: checkCodeRepeat, trigger: 'blur' }],
        manager: [{ required: true, message: '部门负责人不能为空', trigger: 'blur' }],
        introduce: [{ required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { trigger: 'blur', min: 1, max: 300, message: '部门介绍要求1-50个字符' }]
      }
    }
  },
  methods: {
    handleClose(done) {
      this.$emit('close')
    },
    async getEmployeeSimple() {
      this.peoples = await getEmployeeSimple()
    },
    async getDepartDetail(id) {
      this.formData = await getDepartDetail(id)
    },
    btnOK() {
      this.$refs.deptsForm.validate(async isOK => {
        if (isOK) {
          if (this.formData.id) {
            await updateDepartments(this.formData)
          } else {
            await addDepartments({ ...this.formData, pid: this.treeNode.id })
          }
          this.$message({
            message: this.formData.id ? '修改部门信息成功' : '新增部门成功',
            type: 'success'
          })
          this.$emit('addDepts')
          this.btnCancel()
        }
      })
    },
    btnCancel() {
      this.$emit('close')
      this.$refs.deptsForm.resetFields()
      this.formData = {
        name: '', // 部门名称
        code: '', // 部门编码
        manager: '', // 部门管理者
        introduce: '' // 部门介绍
      }
    }
  }
}
</script>

<style>

</style>
